Sliver Hivelord [Mystery Booster] SV71 Whenever you cast a colorless

Whenever you cast a colorless spell with mana value 7 or greater

(It can't be the target of spells or abilities your opponents control

You may cast that card

−2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn

Set: Beta Edition Type: Instant Rarity: Uncommon Cost: {1}{B} You gain life equal to the damage dealt to you this turn

Sliver Hivelord [Mystery Booster] SV71 Whenever you cast a colorlessSet: Mystery Booster Type: Legendary Creature Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.) "This is the source, the line unbroken since the calamity that brought such monsters to our shores." Hastric, Thunian scout